100001001120210 has 128 divisors (see below), whose sum is σ = 277020982264320. Its totient is φ = 25650090547200.

The previous prime is 100001001120199. The next prime is 100001001120277. The reversal of 100001001120210 is 12021100100001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 100001001120192 and 100001001120201.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62830327 + ... + 64402266.

It is an arithmetic number, because the mean of its divisors is an integer number (2164226423940).

Almost surely, 2^{100001001120210} is an apocalyptic number.

100001001120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100001001120210 is an abundant number, since it is smaller than the sum of its proper divisors (177019981144110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100001001120210 is a wasteful number, since it uses less digits than its factorization.

100001001120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127232721 (or 127232715 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100001001120210 its reverse (12021100100001), we get a palindrome (112022101220211).

The spelling of 100001001120210 in words is "one hundred trillion, one billion, one million, one hundred twenty thousand, two hundred ten".